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Finding the Fourth Proportional to 1,897.88, 2,841.80 and 1,525.86

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Solution

The fourth proportional to 1,897.88, 2,841.80 and 1,525.86 is: 2,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.88 : 2,841.80 = 1,525.86 : x
  2. Step 2: Convert to fraction form
    1,897.88/2,841.80 = 1,525.86/x
  3. Step 3: Cross multiply
    1,897.88x = 2,841.80 × 1,525.86
  4. Step 4: Simplify right side
    1,897.88x = 4,336,181.32
  5. Step 5: Solve for x
    x = 4,336,181.32/1,897.88
  6. Step 6: Final answer
    x = 2,284.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.